A leftward shift in the supply curve for a good may be caused by any of the following except A. consumer expectation of an increase in their future income. B. an increase in the wage paid to labor. C. a decrease in the number of firms in the industry. D.

A. consumer expectation of an increase in their future income.

Explanation:

The supply curve is simply a graph that shows the relationship that is between the price of a particular good and the amount of quantity that is supplied.

A leftward shift in the supply curve for a good simply means that less of that good is supplied. All tye options will cause less of the goods to be supplied except consumer expectation of an increase in their future income.

answer; im thinking customer: